package first;

public class helloword {
    public static void main(String[] args) {

        System.out.println("hello world");
        new helloword().test();
        new helloword().test2();
        new helloword().test3();
        new helloword().test4();
        new helloword().test5();

    }
    public void test5(){
        int a=10;
        if(a>5){
            System.out.println("a>5");

        }
        else {
            System.out.println("a<=5");
        }
    }


    public void test4(){
        int a=10;
        System.out.println(a>5);
        System.out.println(a<5);
        System.out.println(a>=5);
        System.out.println(a<=5);
        System.out.println(a==5);
        System.out.println(a!=5);
    }
    public void test3(){
        int a=10;
        a+=10;
        a-=10;
        System.out.println(a);
    }
    public void test2(){
        int a=100;
        int b=20;
        System.out.println(a+b);
        System.out.println(a-b);
        System.out.println(a*b);
        System.out.println(a/b);
    }
    public void test(){
        long a=1565786556;
        System.out.println(a);
    }
}


